from django.shortcuts import render
from django.http import HttpResponse, JsonResponse

# Create your views here.
from django.contrib.auth.hashers import make_password, check_password
from .. import models
from django.core.urlresolvers import reverse
from web.settings import BASE_DIR
import os
from . viewsIndex import uploads

# 后台会员管理表单 显示
def useradd(request):
    # 判断当前的请求方式
    if request.method == 'GET':
        # 加载表单页面
        return render(request, 'myadmin/users/add.html')
    elif request.method == 'POST':
        try:
            # 接收数据，
            data = request.POST.dict()
            data.pop('csrfmiddlewaretoken')

            # 密码加密
            # 对密码进行加密操作
            data['password'] = make_password(data['password'], None, 'pbkdf2_sha256')

            # 头像上传
            myfile = request.FILES.get('pic_url')
            if myfile:
                # 调用函数进行头像上传
                data['pic_url'] = uploads(myfile)
            else:
                data['pic_url'] = '/static/pics/user.jpg'

            # 进行数据的添加
            ob = models.Users(**data)
            ob.save()
            return HttpResponse('<script>alert("添加成功");location.href="'+reverse('myadmin_user_index')+'"</script>')
        except:
            return HttpResponse('<script>alert("添加失败");location.href="'+reverse('myadmin_user_add')+'"</script>')

# 后台用户 列表
def userindex(request):
    # 判断请求方式
    print(request.GET.get('info'))
    if request.GET.get('info') == 'search':
        p = request.GET.get('p')
        types = request.GET.get('types')
        keywords = request.GET.get('p')
        return JsonResponse({'p':p, 'types':types, 'keywords':keywords})
    # 获取所有的用户数据
    data = models.Users.objects.filter().exclude(status=3)

    # 获取搜索条件和参数
    types = request.GET.get('types')
    keywords = request.GET.get('keywords')

    # 判断是否有搜索条件
    if types :
        # Q 对象 or
        from django.db.models import Q

        # 判断字符串是否为 "男" 或 "女"
        if keywords == "男":
            data = data.filter(Q(username__contains='男')|Q(sex__contains='1'))
        elif keywords == "女":
            data = data.filter(Q(username__contains='女')|Q(sex__contains='0'))

        # 判断搜索的类型
        elif types == 'all':
            data = data.filter(Q(username__contains=keywords)|Q(phone__contains=keywords)|Q(email__contains=keywords)|Q(age__contains=keywords))
        elif types == 'status':
            # keywords == '禁用'
            arr ={'正常':0, '禁用':1,'删除':3}
            data = data.filter(status=arr[keywords])
        else:
            search = {types+'__contains':keywords}
            data = data.filter(**search)

    # 数据分页
    from django.core.paginator import Paginator
    # 实例化分页类
    paginator = Paginator(data,10)

    # 获取当前页码
    p = int(request.GET.get('p',1))

    # 获取分页数据对象[{id:1},{id:2}]  [{id:3},{id:4}]
    userlist = paginator.page(p)

    # 分配数据
    context = {'userlist':userlist}

    # 加载模板
    return render(request, 'myadmin/users/index.html', context)

# 会员删除 逻辑删除
def userdel(request, uid):
    try:
        # 根据uid获取用户对象，修改状态
        ob = models.Users.objects.get(id=uid)
        ob.status = 3
        ob.save()

        return HttpResponse('<script>alert("删除成功");location.href="'+reverse('myadmin_user_index')+'"</script>')
    except:
        return HttpResponse('<script>alert("删除失败");location.href="'+reverse('myadmin_user_index')+'"</script>')

# 编辑表单，执行编辑
def useredit(request, uid):
    # 根据uid获取用户对象
    ob = models.Users.objects.get(id=uid)
    # 判断请求方式
    if request.method == "GET":
        # 显示编辑表单
        return render(request, 'myadmin/users/edit.html', {'uinfo':ob})
    elif request.method == "POST":
        # 执行编辑
        ob.username = request.POST.get('username')
        # 密码判断
        if request.POST.get('password'):
            # 修改
            ob.password = make_password(request.POST['password'], None, 'pbkdf2_sha256')
        ob.phone = request.POST.get('phone')
        ob.email = request.POST.get('email')
        ob.age = request.POST.get('age')
        ob.sex = request.POST.get('sex')
        # 判断是否更新了头像
        myfile = request.FILES.get('pic_url')
        if myfile:
            # 如果修改了头像，要上传新的头像，并判断是否删除以前的头像
            if ob.pic_url != '/static/pics/user.jpg':
                # 删除原来上传的头像
                os.remove(BASE_DIR+ob.pic_url)

            # 更新头像
            ob.pic_url = uploads(myfile)
        # 执行数据的更新
        ob.save()

        return HttpResponse('<script>alert("更新成功");location.href="'+reverse('myadmin_user_index')+'"</script>')
